With over 40 years of industry experience, we have established ourselves as a leading vendor for the design and manufacturing of Test Interface Units. During this time, we have designed over 14,000 PCBs and over 2000 Test Contactors, all meeting the highest performance requirements

M Specialties LLC recognizes the importance and value of our customers. We believe that we are not only providing our customers with a product, but with a service as well. That is why we make our clients a priority - always.

We take pride in being one of the only test board and test contactors providers who manufacture and assemble their product in-house. We are able to oversee every step of the process at close range, and ensure that our products meet the high standards that each of our customers expect.

We're ready to start your projectWe will design a complete Test Interface to your specification. From Burn-In to Final Test, we have helped customers for over 40 years bring their Products to market. You can also fill out our contact form to get started.

M Specialties LLC prides itself on being one of the only Test Board and Test Contactors providers who manufacture and assemble their product in-house.

We are able to oversee each and every step of the process at close range and resolve any issues that might happen before shipment. We can ensure that every one of our products meets the high standards that our customers expect.

Join the many fortune 500 semiconductor companies who have utilizedM Specialties LLC 's services for the last 40 years.

Here are just a few

Latest NEWS

Custom made evaluation board and more! Whether ordering an evaluation board, or custom fit qfn sockets and bga sockets, we carry it all. At M Specialties LLC we can custom tailor exactly what our customer needs, to ensure the best operation, and full functionality of the pieces and parts ordered on our site. What sets us apart from other testing companies […]

At M Specialties LLC, our PCB design group designs PCB's used in the testing of Seimconductors for Burn-IN, Wafer, Evaluation, Bench and Final Test. Many of our boards are for multi-gigabit SerDes, PCI Express, DDR interface, SAS/SATA applications.

With the speed of semiconductors increasingly approaching the 10gb level and beyond, the connection between your device and PCB is critical. Our Test Sockets and Test Contactors are used to interface your IC device directly to your DUT or load board. M Specialties LLC designs and manufactures customized, high-performance Test Sockets and Test Contactors that can be used to test semiconductor IC’s.M Specialties LLC offers fast and personal customer service. We operate a full machine shop within our Tempe, AZ facility, so if delivery is critical, we can expedite the build of your sockets to meet your schedule.